/* ダンス登録フォーム用スタイルシート */

:root {
    --primary-color: #e81e24;
    --secondary-color: #f8f9fa;
    --accent-color: #e74c3c;
    --text-color: #333;
    --border-color: #ddd;
    --success-color: #28a745;
    --error-color: #dc3545;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f5f5f5;
    /* padding: 20px; */
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 30px;
    font-size: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -10px;
    margin-left: -10px;
}

.form-col {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 10px;
}

@media (max-width: 768px) {
    .form-col {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    font-size: 14px;
}

.required::after {
    content: " *";
    color: var(--accent-color);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="date"]:focus,
input[type="tel"]:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 109, 167, 0.1);
}

.radio-group {
    display: flex;
    gap: 15px;
    margin-top: 5px;
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.radio-label input {
    margin-right: 5px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin-top: 5px;
}

.checkbox-label input {
    margin-right: 8px;
}

.error-message {
    color: var(--error-color);
    font-size: 12px;
    margin-top: 5px;
}

.help-text {
    color: #666;
    font-size: 12px;
    margin-top: 5px;
}

.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: 10px 20px;
    font-size: 16px;
    line-height: 1.5;
    border-radius: 4px;
    transition: all 0.15s ease-in-out;
    cursor: pointer;
}

.btn-primary {
    color: #fff;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #e81e24;
    border-color: #e81e24;
}

.btn-block {
    display: block;
    width: 100%;
}

.form-actions {
    margin-top: 30px;
    text-align: center;
}

.section-title {
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 5px;
    margin: 30px 0 20px;
    color: var(--primary-color);
}

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

/* パスワード強度インジケーター */
.password-strength {
    margin-top: 5px;
    height: 5px;
    border-radius: 3px;
    background-color: #eee;
}

.password-strength-meter {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s, background-color 0.3s;
}

.strength-weak {
    background-color: #dc3545;
    width: 33%;
}

.strength-medium {
    background-color: #ffc107;
    width: 66%;
}

.strength-strong {
    background-color: #28a745;
    width: 100%;
}
/* header */
.header{
    background: #000;
    padding: 20px;
}
.header a{
    display: flex;
    gap: 20px;
    align-items: center;
}
.header a img:first-child{
    width: 75px;
}

/* 利用規約セクション */
.terms-section {
    margin: 30px 0;
}

.terms-container {
    max-height: 300px;
    overflow-y: auto;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: #f9f9f9;
    margin-bottom: 20px;
}

.terms-container h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 18px;
}

.terms-container h4 {
    margin: 15px 0 8px;
    font-size: 16px;
}

.terms-container p {
    margin-bottom: 10px;
    font-size: 14px;
    line-height: 1.6;
}

.terms-container ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.terms-container li {
    margin-bottom: 5px;
    font-size: 14px;
}

.agreement-checkbox {
    margin: 20px 0;
    padding: 15px;
    background-color: #f0f0f0;
    border-radius: 4px;
    text-align: center;
}

.agreement-checkbox .checkbox-label {
    font-weight: bold;
    font-size: 16px;
}

/* スマートフォン向けスタイル */
@media screen and (max-width: 640px) {
    .container {
        padding: 15px;
    }
    
    h1 {
        font-size: 24px;
        margin-bottom: 20px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="date"],
    input[type="tel"],
    select,
    textarea {
        padding: 8px;
        font-size: 14px;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .section-title {
        margin: 20px 0 15px;
        font-size: 18px;
    }
    
    .radio-group {
        flex-direction: column;
        gap: 8px;
    }
    
    .terms-container {
        max-height: 200px;
        padding: 15px;
    }
    
    .terms-container h3 {
        font-size: 16px;
    }
    
    .terms-container h4 {
        font-size: 15px;
    }
    
    .agreement-checkbox {
        padding: 10px;
    }
    
    .agreement-checkbox .checkbox-label {
        font-size: 14px;
    }
}